What does VSS mean on a tire?
What does VSS mean on a tire?
A wheel speed sensor or vehicle speed sensor (VSS) is a type of tachometer. It is a sender device used for reading the speed of a vehicle’s wheel rotation. It usually consists of a toothed ring and pickup.
What happens if the VSS sensor is not working?
Vehicle speed information relayed by the VSS is used by the transmission control module (TCM) or powertrain control module (PCM) to determine shift timing. Therefore, a failing speed sensor will have a direct impact on automatic transmission operation.
What are the symptoms of a bad wheel speed sensor?
Symptoms of a Bad or Failing Wheel Speed Sensor Common signs include the ABS Light coming on, ABS not working properly, and the Traction Control Light staying on. by Timothy Charlet on January 13, 2016 1.
What happens if your speedometer is not working?
Many vehicles use the VSS as a primary input for speedometer operation, which means a malfunctioning VSS can cause the speedometer to produce an erratic reading—or no reading at all. Your vehicle will continue to run without a working speedometer. However, not knowing how fast you’re going will make it difficult to drive safely.
Why is the speedometer on my Ford Mustang not working?
What are common reasons my Ford Mustang has a speedometer that doesn’t work? While there are a variety of reasons your Ford Mustang speedometer is not working, the most common 3 are the vehicle speed sensor (VSS), a faulty speedometer, or an electrical issue.
Can you use a 23 tooth speedometer on a Mustang?
Do not use a 23 tooth speedometer driven gear on a 1996-1998 Mustang GT or Cobra T45, AODE, or 4R70W. It will self destruct in a matter of feet. Check out our YouTube channel for even more tech tips, installation videos, how-tos, and more.
How do you correct the speedometer on a fox body Mustang?
If you are changing out the rear gears on your fox body or SN95 Mustang, you are going to have to correct your speedometer. The most popular method for doing so is by swapping out the driven gear on the end of the speedometer cable or speed sensor.
How are the gears on a Mustang measured?
Mustang rear gears from 2.73:1 all the way to 4.56:1, pick the ratio you currently have or are planning to install. Your tire width is measured in mm. For example, if your tire size is 275/40/17, your tire width would be 275.
